\documentclass{article}
\usepackage{xymtex}
\usepackage{chemist}
\pagestyle{empty}
\begin{document}

\bzdrv{1==OH;5==CH$_{3}$;4==OC$_{16}$H$_{33}$;%
2==\ryl(4==NH--SO$_{2}$){4==\bzdrh{1==(yl);2==OCH$_{2}$CH$_{2}$OCH$_{3}$;%
5==\ryl(2==NH--SO$_{2}$){4==\bzdrh{1==(yl);%
5==\ryl(2==SO$_{2}$--NH){4==\naphdrh{1==(yl);5==OH;%
8==\lyl(4==N=N){4==\bzdrh{4==(yl);1==NO$_{2}$;5==SO$_{2}$CH$_{3}$}}}}}}}}}

\end{document}
